EP2557566A4 - Method and apparatus for processing an audio signal - Google Patents

Method and apparatus for processing an audio signal

Info

Publication number
EP2557566A4
EP2557566A4 EP11766191.8A EP11766191A EP2557566A4 EP 2557566 A4 EP2557566 A4 EP 2557566A4 EP 11766191 A EP11766191 A EP 11766191A EP 2557566 A4 EP2557566 A4 EP 2557566A4
Authority
EP
European Patent Office
Prior art keywords
processing
audio signal
audio
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11766191.8A
Other languages
German (de)
French (fr)
Other versions
EP2557566B1 (en
EP2557566A2 (en
EP2557566B8 (en
Inventor
Gyu Hyeok Jeong
Hye Jeong Jeon
Byung Suk Lee
Chang Heon Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020100086488A external-priority patent/KR20110113123A/en
Priority claimed from KR1020100086489A external-priority patent/KR20110113124A/en
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2557566A2 publication Critical patent/EP2557566A2/en
Publication of EP2557566A4 publication Critical patent/EP2557566A4/en
Publication of EP2557566B1 publication Critical patent/EP2557566B1/en
Application granted granted Critical
Publication of EP2557566B8 publication Critical patent/EP2557566B8/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP11766191.8A 2010-04-08 2011-04-08 Method and apparatus for processing an audio signal Not-in-force EP2557566B8 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US32188210P 2010-04-08 2010-04-08
US32188110P 2010-04-08 2010-04-08
KR1020100086488A KR20110113123A (en) 2010-04-08 2010-09-03 A method and an apparatus for processing an audio signal
KR1020100086489A KR20110113124A (en) 2010-04-08 2010-09-03 A method and an apparatus for processing an audio signal
PCT/KR2011/002487 WO2011126340A2 (en) 2010-04-08 2011-04-08 Method and apparatus for processing an audio signal

Publications (4)

Publication Number Publication Date
EP2557566A2 EP2557566A2 (en) 2013-02-13
EP2557566A4 true EP2557566A4 (en) 2013-09-11
EP2557566B1 EP2557566B1 (en) 2018-06-27
EP2557566B8 EP2557566B8 (en) 2018-09-19

Family

ID=47577493

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11766191.8A Not-in-force EP2557566B8 (en) 2010-04-08 2011-04-08 Method and apparatus for processing an audio signal

Country Status (4)

Country Link
US (1) US9153238B2 (en)
EP (1) EP2557566B8 (en)
CN (1) CN102906812B (en)
WO (1) WO2011126340A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012035781A1 (en) * 2010-09-17 2012-03-22 パナソニック株式会社 Quantization device and quantization method
EP3771209A1 (en) * 2011-12-28 2021-01-27 JVC KENWOOD Corporation Moving picture coding device, moving picture coding method, moving picture decoding device and moving picture decoding method
WO2013099285A1 (en) * 2011-12-28 2013-07-04 株式会社Ｊｖｃケンウッド Video encoding device, video encoding method and video encoding program, and video decoding device, video decoding method and video decoding program
JP2016524191A (en) * 2013-06-17 2016-08-12 ドルビー ラボラトリーズ ライセンシング コーポレイション Multi-stage quantization of parameter vectors from different signal dimensions
KR20240010550A (en) 2014-03-28 2024-01-23 삼성전자주식회사 Method and apparatus for quantizing linear predictive coding coefficients and method and apparatus for dequantizing linear predictive coding coefficients
CN107077857B (en) * 2014-05-07 2021-03-09 三星电子株式会社 Method and apparatus for quantizing linear prediction coefficients and method and apparatus for dequantizing linear prediction coefficients

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271089A (en) * 1990-11-02 1993-12-14 Nec Corporation Speech parameter encoding method capable of transmitting a spectrum parameter at a reduced number of bits
US5774839A (en) * 1995-09-29 1998-06-30 Rockwell International Corporation Delayed decision switched prediction multi-stage LSF vector quantization
US7392179B2 (en) * 2000-11-30 2008-06-24 Matsushita Electric Industrial Co., Ltd. LPC vector quantization apparatus
EP2618331A1 (en) * 2010-09-17 2013-07-24 Panasonic Corporation Quantization device and quantization method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2624130B2 (en) * 1993-07-29 1997-06-25 日本電気株式会社 Audio coding method
JP3707154B2 (en) 1996-09-24 2005-10-19 ソニー株式会社 Speech coding method and apparatus
JP3707153B2 (en) * 1996-09-24 2005-10-19 ソニー株式会社 Vector quantization method, speech coding method and apparatus
KR100709376B1 (en) 2001-07-05 2007-04-20 삼성전자주식회사 Searching apparatus for fast vector quantization encoding and method thereof
KR100492965B1 (en) 2002-09-27 2005-06-07 삼성전자주식회사 Fast search method for nearest neighbor vector quantizer
US7933770B2 (en) * 2006-07-14 2011-04-26 Siemens Audiologische Technik Gmbh Method and device for coding audio data based on vector quantisation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271089A (en) * 1990-11-02 1993-12-14 Nec Corporation Speech parameter encoding method capable of transmitting a spectrum parameter at a reduced number of bits
US5774839A (en) * 1995-09-29 1998-06-30 Rockwell International Corporation Delayed decision switched prediction multi-stage LSF vector quantization
US7392179B2 (en) * 2000-11-30 2008-06-24 Matsushita Electric Industrial Co., Ltd. LPC vector quantization apparatus
EP2618331A1 (en) * 2010-09-17 2013-07-24 Panasonic Corporation Quantization device and quantization method

Also Published As

Publication number Publication date
US9153238B2 (en) 2015-10-06
EP2557566B1 (en) 2018-06-27
WO2011126340A2 (en) 2011-10-13
CN102906812A (en) 2013-01-30
EP2557566A2 (en) 2013-02-13
CN102906812B (en) 2016-08-10
US20130103407A1 (en) 2013-04-25
WO2011126340A3 (en) 2011-12-15
EP2557566B8 (en) 2018-09-19

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